pls tell is this question correct or not
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A1111:
Why are you saying that it is wrong ?
Just substitute A = 45° and solve.
These are Trigonometric Identities, which are applicaple for such angles.
Listen, this is an identity which can be proved and hence it is applicable for the angles in the Trigonometric Table.
Anyway, I can prove it without substituting the value of any angle.
I have given Class 10th Examination.
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no, it's not correct
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incorrect their was a problem in question
It's correct
tnx
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